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Creating a livelier engine for your GMC Sierra, one that turns over faster, responds more strongly to the throttle, and even runs better, is a matter of installing the right 2014-2017 ignition parts in it. Several different related components contribute to a well-functioning ignition system, and not just high quality 2014-2017 spark plugs & spark plug wires – though these are important, too, with iridium and platinum tips providing strong, consistent sparks and temperature resistance for operating in supercharged engines. Performance batteries, for example, give you heaps of cold cranking amps so that even the most kitted-out, powerful performance engine will start strongly and reliably every time. High output alternators and starters increase charging capacity in the big way, while upgraded ignition coils directly improve horsepower, torque, and fuel economy.